[One-step automatic pairing and one-button easy control] Just pick up the wireless Bluetooth headphones, they will pair automatically, and you will enter the world of music in seconds. The in-ear headphones will automatically turn off and charge when they are put back into the charging box. Each sports earbud has the functions of answering/rejecting calls, volume adjustment, switching music, voice assistant. Completely free your hands when you are busy exercising, cycling, driving or running. [Excellent stereo sound] The wireless earbuds have built-in clear sound quality chips and high-fidelity dynamic drivers to provide powerful bass and incredible sound quality. Unlike other wireless headphones that are inserted directly into the ears, you can tilt, rotate and insert them into the ears, and they will tightly surround your ears without exerting pressure. They fit the ears very well and are easy to put on and take off, and you don't have to worry about losing them when your head moves too much. Portable media players, mobile phones, aviation, computers, sports, audiophiles, travel, Internet, iPod, HiFi headphone functions, excellent call performance.